194 lines
4.5 KiB
C
194 lines
4.5 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Definitions for the video controller module.
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*
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* Version: @(#)video.h 1.0.37 2019/12/06
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*
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* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* Fred N. van Kempen, <decwiz@yahoo.com>
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*
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* Copyright 2008-2019 Sarah Walker.
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* Copyright 2016-2019 Miran Grca.
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* Copyright 2017-2019 Fred N. van Kempen.
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*/
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#ifndef EMU_VIDEO_H
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# define EMU_VIDEO_H
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#define makecol(r, g, b) ((b) | ((g) << 8) | ((r) << 16))
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#define makecol32(r, g, b) ((b) | ((g) << 8) | ((r) << 16))
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enum {
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VID_NONE = 0,
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VID_INTERNAL
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};
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enum {
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FULLSCR_SCALE_FULL = 0,
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FULLSCR_SCALE_43,
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FULLSCR_SCALE_KEEPRATIO,
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FULLSCR_SCALE_INT
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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VIDEO_ISA = 0,
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VIDEO_MCA,
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VIDEO_BUS
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};
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#define VIDEO_FLAG_TYPE_CGA 0
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#define VIDEO_FLAG_TYPE_MDA 1
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#define VIDEO_FLAG_TYPE_SPECIAL 2
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#define VIDEO_FLAG_TYPE_NONE 3
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#define VIDEO_FLAG_TYPE_MASK 3
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typedef struct {
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int type;
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int write_b, write_w, write_l;
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int read_b, read_w, read_l;
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} video_timings_t;
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typedef struct {
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int w, h;
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uint32_t *dat;
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uint32_t *line[2112];
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} bitmap_t;
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typedef struct {
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uint8_t r, g, b;
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} rgb_t;
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typedef struct {
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uint8_t chr[32];
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} dbcs_font_t;
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typedef rgb_t PALETTE[256];
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extern int egareads,
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egawrites;
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extern int changeframecount;
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extern volatile int screenshots;
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extern bitmap_t *buffer32, *render_buffer;
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extern PALETTE cgapal,
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cgapal_mono[6];
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extern uint32_t pal_lookup[256];
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extern int video_fullscreen,
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video_fullscreen_scale,
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video_fullscreen_first;
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extern int fullchange;
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extern uint8_t fontdat[2048][8];
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extern uint8_t fontdatm[2048][16];
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extern uint8_t fontdatw[512][32];
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extern uint8_t fontdat8x12[256][16];
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extern uint8_t fontdat12x18[256][36];
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extern dbcs_font_t *fontdatksc5601;
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extern dbcs_font_t *fontdatksc5601_user;
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extern uint32_t *video_6to8,
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*video_8togs,
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*video_8to32,
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*video_15to32,
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*video_16to32;
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extern int xsize,ysize;
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extern int enable_overscan;
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extern int overscan_x,
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overscan_y;
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extern int force_43;
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extern int video_timing_read_b,
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video_timing_read_w,
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video_timing_read_l;
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extern int video_timing_write_b,
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video_timing_write_w,
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video_timing_write_l;
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extern int video_res_x,
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video_res_y,
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video_bpp;
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extern int vid_resize;
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extern int cga_palette,
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herc_blend;
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extern int vid_cga_contrast;
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extern int video_grayscale;
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extern int video_graytype;
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extern double cpuclock;
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extern int emu_fps,
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frames;
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extern int readflash;
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/* Function handler pointers. */
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extern void (*video_recalctimings)(void);
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/* Table functions. */
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extern int video_card_available(int card);
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extern char *video_card_getname(int card);
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#ifdef EMU_DEVICE_H
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extern const device_t *video_card_getdevice(int card);
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#endif
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extern int video_card_has_config(int card);
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extern int video_card_getid(char *s);
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extern char *video_get_internal_name(int card);
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extern int video_get_video_from_internal_name(char *s);
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extern int video_is_mda(void);
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extern int video_is_cga(void);
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extern int video_is_ega_vga(void);
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extern void video_inform(int type, const video_timings_t *ptr);
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extern int video_get_type(void);
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extern void video_setblit(void(*blit)(int,int,int,int,int,int));
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extern void video_blend(int x, int y);
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extern void video_blit_memtoscreen_8(int x, int y, int y1, int y2, int w, int h);
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extern void video_blit_memtoscreen(int x, int y, int y1, int y2, int w, int h);
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extern void video_blit_complete(void);
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extern void video_wait_for_blit(void);
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extern void video_wait_for_buffer(void);
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extern bitmap_t *create_bitmap(int w, int h);
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extern void destroy_bitmap(bitmap_t *b);
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extern void cgapal_rebuild(void);
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extern void hline(bitmap_t *b, int x1, int y, int x2, uint32_t col);
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extern void updatewindowsize(int x, int y);
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extern void video_init(void);
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extern void video_close(void);
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extern void video_reset_close(void);
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extern void video_reset(int card);
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extern uint8_t video_force_resize_get(void);
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extern void video_force_resize_set(uint8_t res);
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extern void video_update_timing(void);
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extern void loadfont(wchar_t *s, int format);
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extern int get_actual_size_x(void);
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extern int get_actual_size_y(void);
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#ifdef ENABLE_VRAM_DUMP
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extern void svga_dump_vram(void);
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#endif
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extern uint32_t video_color_transform(uint32_t color);
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#ifdef __cplusplus
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}
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#endif
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#endif /*EMU_VIDEO_H*/
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